Home / 3,401.11-5,098.40-1,208.65

Finding the Fourth Proportional to 3,401.11, 5,098.40 and 1,208.65

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Solution

The fourth proportional to 3,401.11, 5,098.40 and 1,208.65 is: 1,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.11 : 5,098.40 = 1,208.65 : x
  2. Step 2: Convert to fraction form
    3,401.11/5,098.40 = 1,208.65/x
  3. Step 3: Cross multiply
    3,401.11x = 5,098.40 × 1,208.65
  4. Step 4: Simplify right side
    3,401.11x = 6,162,155.67
  5. Step 5: Solve for x
    x = 6,162,155.67/3,401.11
  6. Step 6: Final answer
    x = 1,811.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.